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Neurobiol Stress. 2016 Feb 08;3:68-73. doi: 10.1016/j.ynstr.2016.02.001. eCollection 2016 Jun.

Striatal dopamine D2/3 receptor regulation by stress inoculation in squirrel monkeys.

Neurobiology of stress

Alex G Lee, Jordan M Nechvatal, Bin Shen, Christine L Buckmaster, Michael J Levy, Frederick T Chin, Alan F Schatzberg, David M Lyons

Affiliations

  1. Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA.
  2. Department of Radiology, Stanford University School of Medicine, Stanford, CA, USA.

PMID: 27981179 PMCID: PMC5146202 DOI: 10.1016/j.ynstr.2016.02.001

Abstract

Intermittent mildly stressful situations provide opportunities to learn, practice, and improve coping in a process called stress inoculation. Stress inoculation also enhances cognitive control and response inhibition of impulsive motivated behavior. Cognitive control and motivation have been linked to striatal dopamine D2 and/or D3 receptors (DRD2/3) in rodents, monkeys, and humans. Here, we study squirrel monkeys randomized early in life to stress inoculation with or without maternal companionship and a no-stress control treatment condition. Striatal DRD2/3 availability in adulthood was measured

Keywords: Cognitive control; DRD2/3; Dopamine; Emotion regulation; Striatum

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